6CC42
3 Tubes in archive
BrandTESLA
ClassDouble Triode
BaseNoval (B9A)
Filament6.3V @ 350mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated, oxide cathode
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.25 W
Cathode Current15 mA
H-C Voltage90 V
Audio Performance
Key Features
- Medium high slope
- Separate cathodes
- Internal shielding
- Miniature 9-pin design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 150V | 5250 | 6700 | 35 | 8mA |
Application Notes
Double triode with medium-high transconductance and separate indirectly heated cathodes, suitable for use as an RF amplifier with grounded grid or as an additive mixer up to 300 MHz.
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